Captivating Poster Design Needed

I need a polished, attention-grabbing poster and want to lean on your graphic design expertise—from concept through to the final, print-ready artwork. 
You’ll take a short brief from me about size, audience,... (Budget: $15 - $25 USD, Jobs: Adobe Illustrator, Adobe Photoshop, Graphic Design, Illustrator, Photoshop, Poster Design, Print, Print Design)